diff --git a/packages/client/src/store/EditGroupStore.ts b/packages/client/src/store/EditGroupStore.ts
index 541ace92c8..570113fd75 100644
--- a/packages/client/src/store/EditGroupStore.ts
+++ b/packages/client/src/store/EditGroupStore.ts
@@ -125,6 +125,17 @@ class EditGroupStore {
 
       const addedIds = Array.from(this.addedMembersMap.keys());
       const removedIds = Array.from(this.removedMembersMap.keys());
+      const oldManager = this.group.manager;
+      const oldManagerRemovedButRemainsAsMember =
+        oldManager &&
+        oldManager.id !== this.manager?.id &&
+        !this.removedMembersMap.has(oldManager.id);
+
+      // Requires when new group is without manager and old manager moved to members. updateGroup api method doesn't provide possibility to do it without setting new manager
+      if (this.manager === null && oldManagerRemovedButRemainsAsMember) {
+        await api.groups.removeGroupMembers(this.group.id, [oldManager.id]);
+        addedIds.push(oldManager.id);
+      }
 
       await updateGroup(
         this.group?.id,
diff --git a/packages/shared/api/groups/index.ts b/packages/shared/api/groups/index.ts
index 3b54cba3b1..36b1987c68 100644
--- a/packages/shared/api/groups/index.ts
+++ b/packages/shared/api/groups/index.ts
@@ -146,6 +146,14 @@ export const addGroupMembers = (groupId: string, members: string) => {
   });
 };
 
+export const removeGroupMembers = (groupId: string, membersIds: string[]) => {
+  return request({
+    method: "delete",
+    url: `/group/${groupId}/members`,
+    data: { id: groupId, members: membersIds },
+  }) as Promise<TGroup>;
+};
+
 // * Delete
 
 export const deleteGroup = (groupId: string) => {